window.addEvent('domready', function() {

var hideall = function(){
$('Brand').fade('hide');
$('Offtherack').fade('hide');
$('Signature').fade('hide');

};
hideall();
$('ShowBrand').addEvent('click', function(event) {
	event = new Event(event).stop();
	hideall();
	
	$('Brand').fade('in');
}); 
$('ShowRack').addEvent('click', function(event) {
	event = new Event(event).stop();
	hideall();
	$('Offtherack').fade('in');
}); 
$('ShowSignature').addEvent('click', function(event) {
	event = new Event(event).stop();
	hideall();
	$('Signature').fade('in');
}); 


});


<!--
function windowOpenB() {
    var
myWindow=window.open('catalog/brandlogin.php','windowRef','location=0,status=0,scrollbars=1,width=600,height=800');
myWindow.moveTo(200,200);
    if (!myWindow.opener) myWindow.opener = self;
}
function windowOpenV() {
    var
myWindow=window.open('catalog/vendorlogin.php','windowRef','location=0,status=0,scrollbars=1,width=600,height=800');
myWindow.moveTo(200,200);
    if (!myWindow.opener) myWindow.opener = self;
}
//-->